期刊
NANO TODAY
卷 6, 期 2, 页码 176-185出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.nantod.2011.02.003
关键词
Nanoparticles; Endocytic mechanisms; Intracellular transport; Pharmacological inhibitors; Toxicity; Metabolism
During recent years there has been much interest in the use of nanoparticles for in vitro studies as well as for delivery of drugs and contrast agents in animals and humans. To this end it is necessary to increase our understanding of how these particles are taken up and transported within the cells, and to which extent they are metabolized and secreted. In this review we discuss the possibilities, challenges and pitfalls of studying endocytic pathways involved in cellular uptake of nanoparticles. Thus, the use of pharmacological inhibitors, expression of mutated proteins, use of siRNAs and colocalization experiments in such studies are critically evaluated. Although the main focus is on cellular uptake, also aspects of intracellular transport, recycling of nanoparticles to the cell exterior, disturbance of cellular functions, and metabolism of nanoparticles are discussed. (C) 2011 Elsevier Ltd. All rights reserved.
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